Merge remote-tracking branch 'origin/main'

.gitignore

@@ -1,38 +1,77 @@
-target/
-!.mvn/wrapper/maven-wrapper.jar
-!**/src/main/**/target/
-!**/src/test/**/target/
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
 
-### IntelliJ IDEA ###
-.idea/modules.xml
-.idea/jarRepositories.xml
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+.idea/artifacts
 .idea/compiler.xml
-.idea/libraries/
-*.iws
+.idea/jarRepositories.xml
+.idea/modules.xml
+.idea/*.iml
+.idea/modules
 *.iml
 *.ipr
 
-### Eclipse ###
-.apt_generated
-.classpath
-.factorypath
-.project
-.settings
-.springBeans
-.sts4-cache
+# CMake
+cmake-build-*/
 
-### NetBeans ###
-/nbproject/private/
-/nbbuild/
-/dist/
-/nbdist/
-/.nb-gradle/
-build/
-!**/src/main/**/build/
-!**/src/test/**/build/
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
 
-### VS Code ###
-.vscode/
+# File-based project format
+*.iws
 
-### Mac OS ###
-.DS_Store
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser

.idea/compiler.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="JavaCompiler" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>

.idea/jarRepositories.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>

.idea/misc.xml

@@ -1,5 +1,37 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="ANTLRGenerationPreferences">
+    <option name="perGrammarGenerationSettings">
+      <list>
+        <PerGrammarGenerationSettings>
+          <option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/SimpleJava.g4" />
+          <option name="autoGen" value="true" />
+          <option name="outputDir" value="C:\Users\ARB00075\Documents\DH\Compilerbau\NichtHaskell2.0\src\main\java\parser\out" />
+          <option name="libDir" value="" />
+          <option name="encoding" value="" />
+          <option name="pkg" value="" />
+          <option name="language" value="" />
+          <option name="generateVisitor" value="true" />
+        </PerGrammarGenerationSettings>
+      </list>
+    </option>
+  </component>
+  <component name="ANTLRNewGenerationPreferences">
+    <option name="perGrammarGenerationSettings">
+      <list>
+        <PerGrammarGenerationSettings>
+          <option name="fileName" value="$PROJECT_DIR$/src/main/java/parser/SimpleJava.g4" />
+          <option name="autoGen" value="true" />
+          <option name="outputDir" value="C:\Users\Johannes Ehlert\Documents\Git\JavaCompiler\src\main\java" />
+          <option name="libDir" value="" />
+          <option name="encoding" value="" />
+          <option name="pkg" value="parser.generated" />
+          <option name="language" value="" />
+          <option name="generateVisitor" value="true" />
+        </PerGrammarGenerationSettings>
+      </list>
+    </option>
+  </component>
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="MavenProjectsManager">
     <option name="originalFiles">

src/main/java/ast/AccessModifier.java

@@ -0,0 +1,5 @@
+package ast;
+
+public enum AccessModifier {
+    Public,Private
+}

src/main/java/ast/ClassDeclaration.java

@@ -0,0 +1,7 @@
+package ast;
+
+public abstract class ClassDeclaration {
+    public AccessModifier accessModifier;
+
+
+}

src/main/java/ast/Identifier.java

@@ -0,0 +1,13 @@
+package ast;
+
+public class Identifier {
+    private String name;
+
+    public Identifier(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+}

src/main/java/ast/Type.java

@@ -0,0 +1,7 @@
+package ast;
+
+public interface Type {
+
+}
+
+

src/main/java/org/example/Main.java

@@ -1,7 +0,0 @@
-package org.example;
-
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello world!");
-    }
-}

src/main/java/parser/ASTBuilder.java

@@ -0,0 +1,20 @@
+package parser;
+
+import parser.generated.SimpleJavaBaseVisitor;
+import parser.generated.SimpleJavaParser;
+
+public class ASTBuilder extends SimpleJavaBaseVisitor<ASTNode> {
+    @Override
+    public ASTNode visitProgram(SimpleJavaParser.ProgramContext ctx) {
+        ProgramNode program = new ProgramNode();
+        for (SimpleJavaParser.ClassDeclarationContext classDeclCtx : ctx.classDeclaration()) {
+            program.addClass((ClassDeclarationNode) visit(classDeclCtx));
+        }
+        return program;
+    }
+
+    @Override
+    public ASTNode visitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx) {
+        return new ClassDeclarationNode(ctx.IDENTIFIER().getText());
+    }
+}

src/main/java/parser/ASTNode.java

@@ -0,0 +1,8 @@
+package parser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class ASTNode { }
+
+

src/main/java/parser/ClassDeclarationNode.java

@@ -0,0 +1,11 @@
+package parser;
+
+import parser.ASTNode;
+
+public class ClassDeclarationNode extends ASTNode {
+    public String identifier;
+
+    public ClassDeclarationNode(String identifier) {
+        this.identifier = identifier;
+    }
+}

src/main/java/parser/Main.java

@@ -0,0 +1,27 @@
+package parser;
+
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.CharStreams;
+import org.antlr.v4.runtime.CommonTokenStream;
+import org.antlr.v4.runtime.tree.ParseTree;
+import parser.generated.SimpleJavaLexer;
+import parser.generated.SimpleJavaParser;
+
+public class Main {
+    public static void main(String[] args) throws Exception {
+        // Assuming args[0] contains the path to the input file
+        CharStream codeCharStream = CharStreams.fromString("class Test { }");
+        SimpleJavaLexer lexer = new SimpleJavaLexer(codeCharStream);
+        CommonTokenStream tokens = new CommonTokenStream(lexer);
+        SimpleJavaParser parser = new SimpleJavaParser(tokens);
+
+        ParseTree tree = parser.program(); // parse the input
+
+        ASTBuilder builder = new ASTBuilder();
+        ProgramNode ast = (ProgramNode) builder.visit(tree); // build the AST
+
+        // Optionally print or process the AST
+        System.out.println("Parsed " + ast.classes.size() + " classes.");
+        System.out.println(ast.classes.get(0).identifier);
+    }
+}

src/main/java/parser/ProgramNode.java

@@ -0,0 +1,15 @@
+package parser;
+
+import parser.ASTNode;
+import parser.ClassDeclarationNode;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ProgramNode extends ASTNode {
+    public List<ClassDeclarationNode> classes = new ArrayList<>();
+
+    public void addClass(ClassDeclarationNode classNode) {
+        classes.add(classNode);
+    }
+}

src/main/java/parser/SimpleJava.g4

@@ -0,0 +1,9 @@
+grammar SimpleJava;
+
+program : classDeclaration+;
+
+classDeclaration : 'class' IDENTIFIER '{' '}';
+
+IDENTIFIER : [a-zA-Z][a-zA-Z0-9_]*;
+
+WS : [ \t\r\n]+ -> skip;

src/main/java/parser/Test.txt

@@ -0,0 +1 @@
+class Test { }

src/main/java/parser/generated/SimpleJava.interp

@@ -0,0 +1,23 @@
+token literal names:
+null
+'class'
+'{'
+'}'
+null
+null
+
+token symbolic names:
+null
+null
+null
+null
+IDENTIFIER
+WS
+
+rule names:
+program
+classDeclaration
+
+
+atn:
+[4, 1, 5, 15, 2, 0, 7, 0, 2, 1, 7, 1, 1, 0, 4, 0, 6, 8, 0, 11, 0, 12, 0, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 2, 0, 2, 0, 0, 13, 0, 5, 1, 0, 0, 0, 2, 9, 1, 0, 0, 0, 4, 6, 3, 2, 1, 0, 5, 4, 1, 0, 0, 0, 6, 7, 1, 0, 0, 0, 7, 5, 1, 0, 0, 0, 7, 8, 1, 0, 0, 0, 8, 1, 1, 0, 0, 0, 9, 10, 5, 1, 0, 0, 10, 11, 5, 4, 0, 0, 11, 12, 5, 2, 0, 0, 12, 13, 5, 3, 0, 0, 13, 3, 1, 0, 0, 0, 1, 7]

src/main/java/parser/generated/SimpleJava.tokens

@@ -0,0 +1,8 @@
+T__0=1
+T__1=2
+T__2=3
+IDENTIFIER=4
+WS=5
+'class'=1
+'{'=2
+'}'=3

src/main/java/parser/generated/SimpleJavaBaseListener.java

@@ -0,0 +1,64 @@
+// Generated from C:/Users/Johannes Ehlert/Documents/Git/JavaCompiler/src/main/java/parser/SimpleJava.g4 by ANTLR 4.13.1
+package parser.generated;
+
+import org.antlr.v4.runtime.ParserRuleContext;
+import org.antlr.v4.runtime.tree.ErrorNode;
+import org.antlr.v4.runtime.tree.TerminalNode;
+
+/**
+ * This class provides an empty implementation of {@link SimpleJavaListener},
+ * which can be extended to create a listener which only needs to handle a subset
+ * of the available methods.
+ */
+@SuppressWarnings("CheckReturnValue")
+public class SimpleJavaBaseListener implements SimpleJavaListener {
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterProgram(SimpleJavaParser.ProgramContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitProgram(SimpleJavaParser.ProgramContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx) { }
+
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void enterEveryRule(ParserRuleContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void exitEveryRule(ParserRuleContext ctx) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void visitTerminal(TerminalNode node) { }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation does nothing.</p>
+	 */
+	@Override public void visitErrorNode(ErrorNode node) { }
+}

src/main/java/parser/generated/SimpleJavaBaseVisitor.java

@@ -0,0 +1,29 @@
+// Generated from C:/Users/Johannes Ehlert/Documents/Git/JavaCompiler/src/main/java/parser/SimpleJava.g4 by ANTLR 4.13.1
+package parser.generated;
+import org.antlr.v4.runtime.tree.AbstractParseTreeVisitor;
+
+/**
+ * This class provides an empty implementation of {@link SimpleJavaVisitor},
+ * which can be extended to create a visitor which only needs to handle a subset
+ * of the available methods.
+ *
+ * @param <T> The return type of the visit operation. Use {@link Void} for
+ * operations with no return type.
+ */
+@SuppressWarnings("CheckReturnValue")
+public class SimpleJavaBaseVisitor<T> extends AbstractParseTreeVisitor<T> implements SimpleJavaVisitor<T> {
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitProgram(SimpleJavaParser.ProgramContext ctx) { return visitChildren(ctx); }
+	/**
+	 * {@inheritDoc}
+	 *
+	 * <p>The default implementation returns the result of calling
+	 * {@link #visitChildren} on {@code ctx}.</p>
+	 */
+	@Override public T visitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx) { return visitChildren(ctx); }
+}

src/main/java/parser/generated/SimpleJavaLexer.interp

@@ -0,0 +1,32 @@
+token literal names:
+null
+'class'
+'{'
+'}'
+null
+null
+
+token symbolic names:
+null
+null
+null
+null
+IDENTIFIER
+WS
+
+rule names:
+T__0
+T__1
+T__2
+IDENTIFIER
+WS
+
+channel names:
+DEFAULT_TOKEN_CHANNEL
+HIDDEN
+
+mode names:
+DEFAULT_MODE
+
+atn:
+[4, 0, 5, 35, 6, -1, 2, 0, 7, 0, 2, 1, 7, 1, 2, 2, 7, 2, 2, 3, 7, 3, 2, 4, 7, 4, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 3, 5, 3, 24, 8, 3, 10, 3, 12, 3, 27, 9, 3, 1, 4, 4, 4, 30, 8, 4, 11, 4, 12, 4, 31, 1, 4, 1, 4, 0, 0, 5, 1, 1, 3, 2, 5, 3, 7, 4, 9, 5, 1, 0, 3, 2, 0, 65, 90, 97, 122, 4, 0, 48, 57, 65, 90, 95, 95, 97, 122, 3, 0, 9, 10, 13, 13, 32, 32, 36, 0, 1, 1, 0, 0, 0, 0, 3, 1, 0, 0, 0, 0, 5, 1, 0, 0, 0, 0, 7, 1, 0, 0, 0, 0, 9, 1, 0, 0, 0, 1, 11, 1, 0, 0, 0, 3, 17, 1, 0, 0, 0, 5, 19, 1, 0, 0, 0, 7, 21, 1, 0, 0, 0, 9, 29, 1, 0, 0, 0, 11, 12, 5, 99, 0, 0, 12, 13, 5, 108, 0, 0, 13, 14, 5, 97, 0, 0, 14, 15, 5, 115, 0, 0, 15, 16, 5, 115, 0, 0, 16, 2, 1, 0, 0, 0, 17, 18, 5, 123, 0, 0, 18, 4, 1, 0, 0, 0, 19, 20, 5, 125, 0, 0, 20, 6, 1, 0, 0, 0, 21, 25, 7, 0, 0, 0, 22, 24, 7, 1, 0, 0, 23, 22, 1, 0, 0, 0, 24, 27, 1, 0, 0, 0, 25, 23, 1, 0, 0, 0, 25, 26, 1, 0, 0, 0, 26, 8, 1, 0, 0, 0, 27, 25, 1, 0, 0, 0, 28, 30, 7, 2, 0, 0, 29, 28, 1, 0, 0, 0, 30, 31, 1, 0, 0, 0, 31, 29, 1, 0, 0, 0, 31, 32, 1, 0, 0, 0, 32, 33, 1, 0, 0, 0, 33, 34, 6, 4, 0, 0, 34, 10, 1, 0, 0, 0, 3, 0, 25, 31, 1, 6, 0, 0]

src/main/java/parser/generated/SimpleJavaLexer.java

@@ -0,0 +1,140 @@
+// Generated from C:/Users/Johannes Ehlert/Documents/Git/JavaCompiler/src/main/java/parser/SimpleJava.g4 by ANTLR 4.13.1
+package parser.generated;
+import org.antlr.v4.runtime.Lexer;
+import org.antlr.v4.runtime.CharStream;
+import org.antlr.v4.runtime.Token;
+import org.antlr.v4.runtime.TokenStream;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.misc.*;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue", "this-escape"})
+public class SimpleJavaLexer extends Lexer {
+	static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		T__0=1, T__1=2, T__2=3, IDENTIFIER=4, WS=5;
+	public static String[] channelNames = {
+		"DEFAULT_TOKEN_CHANNEL", "HIDDEN"
+	};
+
+	public static String[] modeNames = {
+		"DEFAULT_MODE"
+	};
+
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"T__0", "T__1", "T__2", "IDENTIFIER", "WS"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'class'", "'{'", "'}'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, null, null, null, "IDENTIFIER", "WS"
+		};
+	}
+	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+
+	public SimpleJavaLexer(CharStream input) {
+		super(input);
+		_interp = new LexerATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@Override
+	public String getGrammarFileName() { return "SimpleJava.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public String[] getChannelNames() { return channelNames; }
+
+	@Override
+	public String[] getModeNames() { return modeNames; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public static final String _serializedATN =
+		"\u0004\u0000\u0005#\u0006\uffff\uffff\u0002\u0000\u0007\u0000\u0002\u0001"+
+		"\u0007\u0001\u0002\u0002\u0007\u0002\u0002\u0003\u0007\u0003\u0002\u0004"+
+		"\u0007\u0004\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000\u0001\u0000"+
+		"\u0001\u0000\u0001\u0001\u0001\u0001\u0001\u0002\u0001\u0002\u0001\u0003"+
+		"\u0001\u0003\u0005\u0003\u0018\b\u0003\n\u0003\f\u0003\u001b\t\u0003\u0001"+
+		"\u0004\u0004\u0004\u001e\b\u0004\u000b\u0004\f\u0004\u001f\u0001\u0004"+
+		"\u0001\u0004\u0000\u0000\u0005\u0001\u0001\u0003\u0002\u0005\u0003\u0007"+
+		"\u0004\t\u0005\u0001\u0000\u0003\u0002\u0000AZaz\u0004\u000009AZ__az\u0003"+
+		"\u0000\t\n\r\r  $\u0000\u0001\u0001\u0000\u0000\u0000\u0000\u0003\u0001"+
+		"\u0000\u0000\u0000\u0000\u0005\u0001\u0000\u0000\u0000\u0000\u0007\u0001"+
+		"\u0000\u0000\u0000\u0000\t\u0001\u0000\u0000\u0000\u0001\u000b\u0001\u0000"+
+		"\u0000\u0000\u0003\u0011\u0001\u0000\u0000\u0000\u0005\u0013\u0001\u0000"+
+		"\u0000\u0000\u0007\u0015\u0001\u0000\u0000\u0000\t\u001d\u0001\u0000\u0000"+
+		"\u0000\u000b\f\u0005c\u0000\u0000\f\r\u0005l\u0000\u0000\r\u000e\u0005"+
+		"a\u0000\u0000\u000e\u000f\u0005s\u0000\u0000\u000f\u0010\u0005s\u0000"+
+		"\u0000\u0010\u0002\u0001\u0000\u0000\u0000\u0011\u0012\u0005{\u0000\u0000"+
+		"\u0012\u0004\u0001\u0000\u0000\u0000\u0013\u0014\u0005}\u0000\u0000\u0014"+
+		"\u0006\u0001\u0000\u0000\u0000\u0015\u0019\u0007\u0000\u0000\u0000\u0016"+
+		"\u0018\u0007\u0001\u0000\u0000\u0017\u0016\u0001\u0000\u0000\u0000\u0018"+
+		"\u001b\u0001\u0000\u0000\u0000\u0019\u0017\u0001\u0000\u0000\u0000\u0019"+
+		"\u001a\u0001\u0000\u0000\u0000\u001a\b\u0001\u0000\u0000\u0000\u001b\u0019"+
+		"\u0001\u0000\u0000\u0000\u001c\u001e\u0007\u0002\u0000\u0000\u001d\u001c"+
+		"\u0001\u0000\u0000\u0000\u001e\u001f\u0001\u0000\u0000\u0000\u001f\u001d"+
+		"\u0001\u0000\u0000\u0000\u001f \u0001\u0000\u0000\u0000 !\u0001\u0000"+
+		"\u0000\u0000!\"\u0006\u0004\u0000\u0000\"\n\u0001\u0000\u0000\u0000\u0003"+
+		"\u0000\u0019\u001f\u0001\u0006\u0000\u0000";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}

src/main/java/parser/generated/SimpleJavaLexer.tokens

@@ -0,0 +1,8 @@
+T__0=1
+T__1=2
+T__2=3
+IDENTIFIER=4
+WS=5
+'class'=1
+'{'=2
+'}'=3

src/main/java/parser/generated/SimpleJavaListener.java

@@ -0,0 +1,30 @@
+// Generated from C:/Users/Johannes Ehlert/Documents/Git/JavaCompiler/src/main/java/parser/SimpleJava.g4 by ANTLR 4.13.1
+package parser.generated;
+import org.antlr.v4.runtime.tree.ParseTreeListener;
+
+/**
+ * This interface defines a complete listener for a parse tree produced by
+ * {@link SimpleJavaParser}.
+ */
+public interface SimpleJavaListener extends ParseTreeListener {
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#program}.
+	 * @param ctx the parse tree
+	 */
+	void enterProgram(SimpleJavaParser.ProgramContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#program}.
+	 * @param ctx the parse tree
+	 */
+	void exitProgram(SimpleJavaParser.ProgramContext ctx);
+	/**
+	 * Enter a parse tree produced by {@link SimpleJavaParser#classDeclaration}.
+	 * @param ctx the parse tree
+	 */
+	void enterClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx);
+	/**
+	 * Exit a parse tree produced by {@link SimpleJavaParser#classDeclaration}.
+	 * @param ctx the parse tree
+	 */
+	void exitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx);
+}

src/main/java/parser/generated/SimpleJavaParser.java

@@ -0,0 +1,221 @@
+// Generated from C:/Users/Johannes Ehlert/Documents/Git/JavaCompiler/src/main/java/parser/SimpleJava.g4 by ANTLR 4.13.1
+package parser.generated;
+import org.antlr.v4.runtime.atn.*;
+import org.antlr.v4.runtime.dfa.DFA;
+import org.antlr.v4.runtime.*;
+import org.antlr.v4.runtime.misc.*;
+import org.antlr.v4.runtime.tree.*;
+import java.util.List;
+import java.util.Iterator;
+import java.util.ArrayList;
+
+@SuppressWarnings({"all", "warnings", "unchecked", "unused", "cast", "CheckReturnValue"})
+public class SimpleJavaParser extends Parser {
+	static { RuntimeMetaData.checkVersion("4.13.1", RuntimeMetaData.VERSION); }
+
+	protected static final DFA[] _decisionToDFA;
+	protected static final PredictionContextCache _sharedContextCache =
+		new PredictionContextCache();
+	public static final int
+		T__0=1, T__1=2, T__2=3, IDENTIFIER=4, WS=5;
+	public static final int
+		RULE_program = 0, RULE_classDeclaration = 1;
+	private static String[] makeRuleNames() {
+		return new String[] {
+			"program", "classDeclaration"
+		};
+	}
+	public static final String[] ruleNames = makeRuleNames();
+
+	private static String[] makeLiteralNames() {
+		return new String[] {
+			null, "'class'", "'{'", "'}'"
+		};
+	}
+	private static final String[] _LITERAL_NAMES = makeLiteralNames();
+	private static String[] makeSymbolicNames() {
+		return new String[] {
+			null, null, null, null, "IDENTIFIER", "WS"
+		};
+	}
+	private static final String[] _SYMBOLIC_NAMES = makeSymbolicNames();
+	public static final Vocabulary VOCABULARY = new VocabularyImpl(_LITERAL_NAMES, _SYMBOLIC_NAMES);
+
+	/**
+	 * @deprecated Use {@link #VOCABULARY} instead.
+	 */
+	@Deprecated
+	public static final String[] tokenNames;
+	static {
+		tokenNames = new String[_SYMBOLIC_NAMES.length];
+		for (int i = 0; i < tokenNames.length; i++) {
+			tokenNames[i] = VOCABULARY.getLiteralName(i);
+			if (tokenNames[i] == null) {
+				tokenNames[i] = VOCABULARY.getSymbolicName(i);
+			}
+
+			if (tokenNames[i] == null) {
+				tokenNames[i] = "<INVALID>";
+			}
+		}
+	}
+
+	@Override
+	@Deprecated
+	public String[] getTokenNames() {
+		return tokenNames;
+	}
+
+	@Override
+
+	public Vocabulary getVocabulary() {
+		return VOCABULARY;
+	}
+
+	@Override
+	public String getGrammarFileName() { return "SimpleJava.g4"; }
+
+	@Override
+	public String[] getRuleNames() { return ruleNames; }
+
+	@Override
+	public String getSerializedATN() { return _serializedATN; }
+
+	@Override
+	public ATN getATN() { return _ATN; }
+
+	public SimpleJavaParser(TokenStream input) {
+		super(input);
+		_interp = new ParserATNSimulator(this,_ATN,_decisionToDFA,_sharedContextCache);
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class ProgramContext extends ParserRuleContext {
+		public List<ClassDeclarationContext> classDeclaration() {
+			return getRuleContexts(ClassDeclarationContext.class);
+		}
+		public ClassDeclarationContext classDeclaration(int i) {
+			return getRuleContext(ClassDeclarationContext.class,i);
+		}
+		public ProgramContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_program; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof SimpleJavaListener ) ((SimpleJavaListener)listener).enterProgram(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof SimpleJavaListener ) ((SimpleJavaListener)listener).exitProgram(this);
+		}
+		@Override
+		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+			if ( visitor instanceof SimpleJavaVisitor ) return ((SimpleJavaVisitor<? extends T>)visitor).visitProgram(this);
+			else return visitor.visitChildren(this);
+		}
+	}
+
+	public final ProgramContext program() throws RecognitionException {
+		ProgramContext _localctx = new ProgramContext(_ctx, getState());
+		enterRule(_localctx, 0, RULE_program);
+		int _la;
+		try {
+			enterOuterAlt(_localctx, 1);
+			{
+			setState(5); 
+			_errHandler.sync(this);
+			_la = _input.LA(1);
+			do {
+				{
+				{
+				setState(4);
+				classDeclaration();
+				}
+				}
+				setState(7); 
+				_errHandler.sync(this);
+				_la = _input.LA(1);
+			} while ( _la==T__0 );
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	@SuppressWarnings("CheckReturnValue")
+	public static class ClassDeclarationContext extends ParserRuleContext {
+		public TerminalNode IDENTIFIER() { return getToken(SimpleJavaParser.IDENTIFIER, 0); }
+		public ClassDeclarationContext(ParserRuleContext parent, int invokingState) {
+			super(parent, invokingState);
+		}
+		@Override public int getRuleIndex() { return RULE_classDeclaration; }
+		@Override
+		public void enterRule(ParseTreeListener listener) {
+			if ( listener instanceof SimpleJavaListener ) ((SimpleJavaListener)listener).enterClassDeclaration(this);
+		}
+		@Override
+		public void exitRule(ParseTreeListener listener) {
+			if ( listener instanceof SimpleJavaListener ) ((SimpleJavaListener)listener).exitClassDeclaration(this);
+		}
+		@Override
+		public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
+			if ( visitor instanceof SimpleJavaVisitor ) return ((SimpleJavaVisitor<? extends T>)visitor).visitClassDeclaration(this);
+			else return visitor.visitChildren(this);
+		}
+	}
+
+	public final ClassDeclarationContext classDeclaration() throws RecognitionException {
+		ClassDeclarationContext _localctx = new ClassDeclarationContext(_ctx, getState());
+		enterRule(_localctx, 2, RULE_classDeclaration);
+		try {
+			enterOuterAlt(_localctx, 1);
+			{
+			setState(9);
+			match(T__0);
+			setState(10);
+			match(IDENTIFIER);
+			setState(11);
+			match(T__1);
+			setState(12);
+			match(T__2);
+			}
+		}
+		catch (RecognitionException re) {
+			_localctx.exception = re;
+			_errHandler.reportError(this, re);
+			_errHandler.recover(this, re);
+		}
+		finally {
+			exitRule();
+		}
+		return _localctx;
+	}
+
+	public static final String _serializedATN =
+		"\u0004\u0001\u0005\u000f\u0002\u0000\u0007\u0000\u0002\u0001\u0007\u0001"+
+		"\u0001\u0000\u0004\u0000\u0006\b\u0000\u000b\u0000\f\u0000\u0007\u0001"+
+		"\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0000"+
+		"\u0000\u0002\u0000\u0002\u0000\u0000\r\u0000\u0005\u0001\u0000\u0000\u0000"+
+		"\u0002\t\u0001\u0000\u0000\u0000\u0004\u0006\u0003\u0002\u0001\u0000\u0005"+
+		"\u0004\u0001\u0000\u0000\u0000\u0006\u0007\u0001\u0000\u0000\u0000\u0007"+
+		"\u0005\u0001\u0000\u0000\u0000\u0007\b\u0001\u0000\u0000\u0000\b\u0001"+
+		"\u0001\u0000\u0000\u0000\t\n\u0005\u0001\u0000\u0000\n\u000b\u0005\u0004"+
+		"\u0000\u0000\u000b\f\u0005\u0002\u0000\u0000\f\r\u0005\u0003\u0000\u0000"+
+		"\r\u0003\u0001\u0000\u0000\u0000\u0001\u0007";
+	public static final ATN _ATN =
+		new ATNDeserializer().deserialize(_serializedATN.toCharArray());
+	static {
+		_decisionToDFA = new DFA[_ATN.getNumberOfDecisions()];
+		for (int i = 0; i < _ATN.getNumberOfDecisions(); i++) {
+			_decisionToDFA[i] = new DFA(_ATN.getDecisionState(i), i);
+		}
+	}
+}

src/main/java/parser/generated/SimpleJavaVisitor.java

@@ -0,0 +1,25 @@
+// Generated from C:/Users/Johannes Ehlert/Documents/Git/JavaCompiler/src/main/java/parser/SimpleJava.g4 by ANTLR 4.13.1
+package parser.generated;
+import org.antlr.v4.runtime.tree.ParseTreeVisitor;
+
+/**
+ * This interface defines a complete generic visitor for a parse tree produced
+ * by {@link SimpleJavaParser}.
+ *
+ * @param <T> The return type of the visit operation. Use {@link Void} for
+ * operations with no return type.
+ */
+public interface SimpleJavaVisitor<T> extends ParseTreeVisitor<T> {
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#program}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitProgram(SimpleJavaParser.ProgramContext ctx);
+	/**
+	 * Visit a parse tree produced by {@link SimpleJavaParser#classDeclaration}.
+	 * @param ctx the parse tree
+	 * @return the visitor result
+	 */
+	T visitClassDeclaration(SimpleJavaParser.ClassDeclarationContext ctx);
+}